======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '177'
                                          'artist'  'Skip Batton'
                                     'text_people'  ''
                                         'release'  'Rare Novelty  Vol. 1'
                                           'title'  'The Ballad Of Dick Clark'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['skip battin', 'oldies', 'male vocalists', 'ohio', 'baseball']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '84.035'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'None'
'COMM:MusicMatch_Preference:eng'                    'None'
'TALB' (Album/Movie/Show title)                     'Rare Novelty  Vol. 1'
'TBPM' (BPM (beats per minute))                     '84.035'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TIT2' (Title/songname/content description)         'The Ballad Of Dick Clark'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '179304'
'TPE1' (Lead performer(s)/Soloist(s))               'Skip Batton'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['skip battin', 'oldies', 'male vocalists', 'ohio', 'baseball']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.68 dB'
'TXXX:replaygain_track_peak'                        '0.496369'

========================== row from database ==========================
                                              'id'  1357899
                                            'path'  /data/Music/Bulk/00poprockelectronic/novelty/1/02 The Ballad Of Dick Clark.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  177
                                           'genre'  set-th-novelty
                                        'filesize'  7237180
                                           'mtime'  1628353944
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic novelty 02 set th novelty
                                      'tag_artist'  Skip Batton
                                     'tag_release'  Rare Novelty  Vol. 1
                                       'tag_title'  The Ballad Of Dick Clark
                                             'bpm'  84.035
                                    'search_title'  'ballad':2 'clark':5 'dick':4 'of':3 'the':1
                                   'search_artist'  'batton':2 'skip':1
                                  'search_release'  '1':5 'novelty':2 'rare':1 'vol':3,4
                                     'search_rest'  '00poprockelectronic':1 'novelty':2 'set':3 'th':4
                                    'search_combo'  '00poprockelectronic':13 '1':12C 'ballad':2A 'batton':7B 'clark':5A 'dick':4A 'novelty':9C,14 'of':3A 'rare':8C 'set':15 'skip':6B 'th':16 'the':1A 'vol':10C,11C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['skip battin', 'oldies', 'male vocalists', 'ohio', 'baseball']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353944.082845  (2021-08-07 18:32:24)
                             'size'  7237180